.images-box .list li {
    list-style: none;
    display: inline-block;
}

.images-box .check {
    border: 3px solid #00a65a;
}

.images-box .check_images_list img {
    max-height: 100px;
    width: auto;
    margin: 15px;
    display: inline-block;
}

.images-box .list img {
    display: inline-block;
    height: 100px;
    width: auto;
}